Chapter 7 Practice Test Answer Key
Pre-Algebra
1)
5a – 10 = 4a + 8
1)
a=18
2)
9b = 12b – 6
2)
b=2
3)
8f + 14 = (-12f) - 6
3)
f=-1
4)
4y – 36 = 2y + 42
4)
y=39
5)
3(x-4) = 18x
5)
x=
6)
5(y -8) = 3(y +24)
6)
y=56
7)
2(5n + 3) = 8n + 2(n + 3)
7)
all numbers
8)
9n – 3 = 7(n+3) + 2n
8)
no solution
9)
Find the dimensions of the rectangle:
9)
Length: 90 ft
Width: 35 ft
10)
Two times the sum of three consecutive odd integers is 66. What
are the integers?
10)
9,11,13
11)
Write an inequality for:
The number of students at the game was at most 70.
11)
n < 70
12)
For x = 6, state whether
> 9 is true or false
12)
false
13)
Graph the inequality on the number line:
a > 4
13)
14)
Graph the inequality on the number line:
m < -2
14)
